GSC Power-Division Intake 21-4N Chrome Polished Valve Set, 35mm (+1mm) for 4G63T (gsc2004-8) 1584 2013 Mazda 3 Sport GX

2013 Mazda 3 Sport GX Hatchback 2

Hawk Performance has developed friction solutions for some of the largest trucks on the planet

Manufactured with premium-grade carbon fiber used in aviation and aerospace

+15 HP / +13 lbs

Improved throttle response and turbo spool

GSC Power-Division Intake 21-4N Chrome Polished Valve Set, 35mm (+1mm) for 4G63T (gsc2004-8) 1584 2013 Mazda 3 Sport GXWhen creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on the market today. With the materials used, we have less valve distortion at the